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#1116313 - 11/18/11 03:54 PM 489 case 8 3/4 axle differential question
Anonymous
Unregistered


Im putting together my 3rd member 489 case soon and I'm in the process of buying the parts. I was wanting to run a detroit locker diff, but I am having a hard time finding on for a 489 case, only 742's Im seeing. Im open to different differentials, so what are you guys using or is there a detroit locker for a 489 that I am not seeing for sale online.

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#1116314 - 11/18/11 04:35 PM Re: 489 case 8 3/4 axle differential question [Re: ]
dogdays Offline
I Live Here

Registered: 01/20/03
Posts: 16088
Any differential from any 8 3/4 will work in any other housing, as long as you use the bearings that match. So a Detroit Locker that fits a 742 will fit a 741 will fit a 489 will fit a 657, etc.
The major difference between these different housings is the configuration of the pinion and bearings.
www.doctordiff is a Board member who does this for a living. Ask him.

R.

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